[Editor’s note: Kent Messer is a professor at the University of Delaware.]

As a behavioral economist, I analyze what motivates people and how organizations, governments, and businesses influence individual choice. And when it comes to how consumers make their choices regarding food, it’s clear that fear is a big factor.

One area where the use of these types of fear-based, “free from” labels is rapidly coming to a head is in the labeling of GMOs in the dairy industry. Last year, yogurt-maker Dannon trumpeted…